Root cause: alteration of staining in this case was due to slide rack level being out of specification.The problem was solved by field service engineer with repair of the part.Following the repair, the instrument was fully operational within specifications, without errors and available for the user.Failure mode description: following the slide rack level being out of specification; the resulting failure mode could occur: uneven or missing reagent distribution.These failure modes have the potential to alter staining.
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